diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index d4236f4b6c..77697f3f6a 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -1091,34 +1091,34 @@ static const AVOption scale_options[] = {
     { "s",      "set video size",          OFFSET(size_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, .flags = FLAGS },
     {  "in_color_matrix", "set input YCbCr type",   OFFSET(in_color_matrix),  AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AVCOL_SPC_NB-1, .flags = FLAGS, .unit = "color" },
     { "out_color_matrix", "set output YCbCr type",  OFFSET(out_color_matrix), AV_OPT_TYPE_INT, { .i64 = AVCOL_SPC_UNSPECIFIED }, 0, AVCOL_SPC_NB-1, .flags = FLAGS, .unit = "color"},
-        { "auto",        NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 },                     0, 0, FLAGS, .unit = "color" },
-        { "bt601",       NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT470BG },      0, 0, FLAGS, .unit = "color" },
-        { "bt470",       NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT470BG },      0, 0, FLAGS, .unit = "color" },
-        { "smpte170m",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT470BG },      0, 0, FLAGS, .unit = "color" },
-        { "bt709",       NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT709 },        0, 0, FLAGS, .unit = "color" },
-        { "fcc",         NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_FCC },          0, 0, FLAGS, .unit = "color" },
-        { "smpte240m",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_SMPTE240M },    0, 0, FLAGS, .unit = "color" },
-        { "bt2020",      NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_SPC_BT2020_NCL },   0, 0, FLAGS, .unit = "color" },
+        { "auto",        NULL, 0, AV_OPT_TYPE_CONST, {.i64=-1},                       0, 0, FLAGS, .unit = "color" },
+        { "bt601",       NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT470BG},        0, 0, FLAGS, .unit = "color" },
+        { "bt470",       NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT470BG},        0, 0, FLAGS, .unit = "color" },
+        { "smpte170m",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT470BG},        0, 0, FLAGS, .unit = "color" },
+        { "bt709",       NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT709},          0, 0, FLAGS, .unit = "color" },
+        { "fcc",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_FCC},            0, 0, FLAGS, .unit = "color" },
+        { "smpte240m",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE240M},      0, 0, FLAGS, .unit = "color" },
+        { "bt2020",      NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_NCL},     0, 0, FLAGS, .unit = "color" },
     {  "in_range", "set input color range",  OFFSET( in_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, 2, FLAGS, .unit = "range" },
     { "out_range", "set output color range", OFFSET(out_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, 2, FLAGS, .unit = "range" },
-    { "auto",   NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, 0, FLAGS, .unit = "range" },
-    { "unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, 0, FLAGS, .unit = "range" },
-    { "full",   NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG}, 0, 0, FLAGS, .unit = "range" },
-    { "limited",NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG}, 0, 0, FLAGS, .unit = "range" },
-    { "jpeg",   NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG}, 0, 0, FLAGS, .unit = "range" },
-    { "mpeg",   NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG}, 0, 0, FLAGS, .unit = "range" },
-    { "tv",     NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG}, 0, 0, FLAGS, .unit = "range" },
-    { "pc",     NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG}, 0, 0, FLAGS, .unit = "range" },
+        { "auto",        NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED }, 0, 0, FLAGS, .unit = "range" },
+        { "unknown",     NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED }, 0, 0, FLAGS, .unit = "range" },
+        { "full",        NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, .unit = "range" },
+        { "limited",     NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, .unit = "range" },
+        { "jpeg",        NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, .unit = "range" },
+        { "mpeg",        NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, .unit = "range" },
+        { "tv",          NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, .unit = "range" },
+        { "pc",          NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, .unit = "range" },
     { "in_chroma_loc",  "set input chroma sample location",  OFFSET(in_chroma_loc),  AV_OPT_TYPE_INT, { .i64 = AVCHROMA_LOC_UNSPECIFIED }, 0, AVCHROMA_LOC_NB-1, .flags = FLAGS, .unit = "chroma_loc" },
     { "out_chroma_loc", "set output chroma sample location", OFFSET(out_chroma_loc), AV_OPT_TYPE_INT, { .i64 = AVCHROMA_LOC_UNSPECIFIED }, 0, AVCHROMA_LOC_NB-1, .flags = FLAGS, .unit = "chroma_loc" },
-        {"auto",          NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_UNSPECIFIED}, 0, 0, FLAGS, .unit = "chroma_loc"},
-        {"unknown",       NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_UNSPECIFIED}, 0, 0, FLAGS, .unit = "chroma_loc"},
-        {"left",          NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_LEFT},        0, 0, FLAGS, .unit = "chroma_loc"},
-        {"center",        NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_CENTER},      0, 0, FLAGS, .unit = "chroma_loc"},
-        {"topleft",       NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_TOPLEFT},     0, 0, FLAGS, .unit = "chroma_loc"},
-        {"top",           NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_TOP},         0, 0, FLAGS, .unit = "chroma_loc"},
-        {"bottomleft",    NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_BOTTOMLEFT},  0, 0, FLAGS, .unit = "chroma_loc"},
-        {"bottom",        NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_BOTTOM},      0, 0, FLAGS, .unit = "chroma_loc"},
+        {"auto",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_UNSPECIFIED}, 0, 0, FLAGS, .unit = "chroma_loc"},
+        {"unknown",      NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_UNSPECIFIED}, 0, 0, FLAGS, .unit = "chroma_loc"},
+        {"left",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_LEFT},        0, 0, FLAGS, .unit = "chroma_loc"},
+        {"center",       NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_CENTER},      0, 0, FLAGS, .unit = "chroma_loc"},
+        {"topleft",      NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_TOPLEFT},     0, 0, FLAGS, .unit = "chroma_loc"},
+        {"top",          NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_TOP},         0, 0, FLAGS, .unit = "chroma_loc"},
+        {"bottomleft",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_BOTTOMLEFT},  0, 0, FLAGS, .unit = "chroma_loc"},
+        {"bottom",       NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCHROMA_LOC_BOTTOM},      0, 0, FLAGS, .unit = "chroma_loc"},
     {  "in_primaries", "set input primaries",   OFFSET(in_primaries),  AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AVCOL_PRI_NB-1, .flags = FLAGS, .unit = "primaries" },
     { "out_primaries", "set output primaries",  OFFSET(out_primaries), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AVCOL_PRI_NB-1, .flags = FLAGS, .unit = "primaries"},
         {"auto",         NULL,  0, AV_OPT_TYPE_CONST, {.i64=-1},                      0, 0, FLAGS, .unit = "primaries"},